US Bridges

Nfa C519 over Branch

Fair

Sullivan County, Tennessee · Just NW of US11W-SR37 JCT · Structure no. 820C5190001

Built
1915
110 years old, rebuilt 1989
Condition
Fair
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
28 ft
2 main spans
Daily traffic
100
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa C519 over Branch is a steel stringer/multi-beam or girder carrying Nfa C519 over Branch in Sullivan County, Tennessee. It was built in 1915 and reconstructed in 1989, so it is 110 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 100 vehicles a day, roughly 2% of them trucks, projected to reach 160 by 2042. The structure is 28 ft (8.5 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa C519
CrossesBranch
LocationJust NW of US11W-SR37 JCT
RouteCounty Highway 519
Coordinates36.57778, -82.36259
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating25.7 US tons
Inventory rating19 US tons

Structure

MaterialSteel
DeckCorrugated steel
Main spans2
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span12 ft (3.7 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2020)
Projected traffic160 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$187,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa C519 over Branch built?

It was built in 1915, making it 110 years old in 2025. It was reconstructed in 1989.

What condition is Nfa C519 over Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.

How much traffic does Nfa C519 over Branch carry?

About 100 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C519 over Branch?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.7 m) and a deck 20 ft wide.

Who owns Nfa C519 over Branch?

It is owned by the County Highway Agency.